Lots of improvements

[BenjaminMichaelis]

No description provided.

[Copilot]

Pull Request Overview

This PR titled "Lots of improvements" makes changes across 12 listing files spanning multiple chapters of what appears to be a C# educational codebase. However, many of these changes introduce bugs or break the intended functionality of the code examples.

Key changes:

• Modified arithmetic operations and calculations in several examples
• Changed equality comparison logic in the Equals implementation
• Altered string formatting and method calls in various demonstrations

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
Chapter12/Listing12.06	Modified Cell constructor to add offset to X coordinate
Chapter11/Listing11.07	Changed overflow demonstration from n + 1 to n + 2
Chapter10/Listing10.01	Changed equality comparison from == to != for Model field
Chapter09/Listing09.03	Changed Degrees value in with expression from 180 to 181
Chapter08/Listing08.02	Changed name format from "firstName lastName" to "lastName, firstName"
Chapter07/Listing07.02	Added middle initial to "Inigo Montoya"
Chapter06/Listing06.08	Added exclamation mark to console output
Chapter05/Listing05.25	Changed months calculation from age * 12 to age * 13
Chapter05/Listing05.02	Changed greeting from "Hey you!" to "Hello there!"
Chapter04/Listing04.03	Modified remainder output to remainder + 1
Chapter03/Listing03.03	Changed method call from ToUpper to ToLower
Chapter02/Listing02.14	Swapped order of firstName and lastName in output

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